Stock-Based Compensation - Stock Option Activity 1 (Detail) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended
Jun. 30, 2024	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options Outstanding	2,299,820
Options Outstanding, Weighted Average Remaining Life (years)	5 years
Options Outstanding, Aggregate Intrinsic Value	$ 459
Options Exercisable , Options Exercisable	684,258
Options Exercisable, Weighted Average Remaining Life (years)	2 years 4 months 24 days
Options Exercisable, Aggregate Intrinsic Value	$ 187
2017 Performance-based Options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options Outstanding, Exercise Prices	$ 513.5	$ 513.5
Options Outstanding	1,233,164	1,549,080
Options Outstanding, Weighted Average Remaining Life (years)	2 years 4 months 24 days
Options Outstanding, Aggregate Intrinsic Value	$ 338
Options Exercisable , Exercise Prices	$ 513.5
Options Exercisable , Options Exercisable	684,258
Options Exercisable, Weighted Average Remaining Life (years)	2 years 4 months 24 days
Options Exercisable, Aggregate Intrinsic Value	$ 187
2023 Performance-based Options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options Outstanding, Exercise Prices	$ 673.58
Options Outstanding	766,970
Options Outstanding, Weighted Average Remaining Life (years)	7 years 10 months 24 days
Options Outstanding, Aggregate Intrinsic Value	$ 87
Options Exercisable , Exercise Prices	$ 673.58
Options Exercisable , Options Exercisable
Options Exercisable, Weighted Average Remaining Life (years)	0 years
Options Exercisable, Aggregate Intrinsic Value
2023 Time-based Options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options Outstanding, Exercise Prices	$ 673.58
Options Outstanding	299,686
Options Outstanding, Weighted Average Remaining Life (years)	7 years 10 months 24 days
Options Outstanding, Aggregate Intrinsic Value	$ 34
Options Exercisable , Exercise Prices	$ 673.58
Options Exercisable , Options Exercisable
Options Exercisable, Weighted Average Remaining Life (years)	0 years
Options Exercisable, Aggregate Intrinsic Value

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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